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" DATA COMPRESSION ALGORITHMS FOR THE GEOSYNCHRONOUS IMAGING FOURIER TRANSFORM SPECTROMETER "


Document Type : Latin Dissertation
Language of Document : English
Record Number : 151810
Doc. No : ET23602
Main Entry : Gregory W. Cantwell
Title Proper : DATA COMPRESSION ALGORITHMS FOR THE GEOSYNCHRONOUS IMAGING FOURIER TRANSFORM SPECTROMETER
Note : This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract : The Geosynchronous Imaging Fourier Transform Spectrometer (GIFTS) is an imag-ing interferometer currently being designed as part of NASA's New Millennium ProgramEarth Observing 3 (NMP EO-3) mission and is scheduled to be launched in 2005. Thisthesis investigates two different broad classes of data compression algorithms for GIFTSdata; first, computationally simple differential-pulse-code-modulation (DPCM)-based al-gorithms, and second, an algorithm which employs the state-of-the-art Set Partitioning inHierarchical Trees (SPIHT) image compression algorithm. Bit-level simulations of the twoalgorithms are performed on simulated GIFTS data-cubes and compression errors are re-ported in the interferogram domain, spectral radiance domain, and temperature and watervapor retrieval domains. The question of optimal bit allocation is also addressed and agenetic algorithm optimization of bit allocation is presented.(112 pages)........-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject : Electericl tess
: برق
electronic file name : TL46846.pdf
Title and statement of responsibility and : DATA COMPRESSION ALGORITHMS FOR THE GEOSYNCHRONOUS IMAGING FOURIER TRANSFORM SPECTROMETER [Thesis]
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TL46846.pdf
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